Home / 2,870,149-4,305,752.50-1,187,383.72

Finding the Fourth Proportional to 2,870,149, 4,305,752.50 and 1,187,383.72

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Solution

The fourth proportional to 2,870,149, 4,305,752.50 and 1,187,383.72 is: 1,781,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,149 : 4,305,752.50 = 1,187,383.72 : x
  2. Step 2: Convert to fraction form
    2,870,149/4,305,752.50 = 1,187,383.72/x
  3. Step 3: Cross multiply
    2,870,149x = 4,305,752.50 × 1,187,383.72
  4. Step 4: Simplify right side
    2,870,149x = 5,112,580,420,849.30
  5. Step 5: Solve for x
    x = 5,112,580,420,849.30/2,870,149
  6. Step 6: Final answer
    x = 1,781,294.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.